Move include files instead of copy
移动而非复制include目录文件

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
checkout to projects branch when preprocessing
预处理时先切换到projects分支

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Merge branch 'sources' into projects

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Removed duplicated files
移除重复的文件

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Fix preprocess.sh
修正preprocess.sh

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Merge branch 'sources' into projects

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>